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Discussion in 'General Instruction [BG]' started by Davidoc, Jul 17, 2001.
How do you figure out key signatures quickly? All those horn people seem to be able to do that.
two rules of thumb:
flat keys - the second to last flat is the tonic of the key. 4 flats Bb Eb Ab Db = key of Ab
Sharp keys - take the last sharp and go up a half step. 5 sharps - F# C# G# D# A# half step up from A# is B.
Huh? I just play along and then see what key I'm playing in.
That seems easy enough. This is one of the rare posts that I print out and save
There are other tricks, which are useful if the key centre changes in the song as it does in most jazz tunes.
So like - the V is the dominant 7th chord in the key so if you see one of these, you can easily work out what the I chord is and hence the key centre.
Two major 7th chords a fourth apart will tell you that the lower one is the I chord and hence the key!